Panasonic KX-TD500 System Reference Manual page 1200

44.00 World Select 2 (WS2)
Description
"WS2" command provides the following assignments.
(Password level: Two or higher)
(1) First Dial Timer
On outgoing CO calls, the system waits at least 0.5 seconds after seizing
the CO line, before sending the dialing digits required by the central office.
This allows the central office enough time to accept the dialing digits
correctly.
Default setting is 1.0 second and can be ranged from 0.5 to 8.0 seconds.
(2) First Dial Timer (DID)
Available when Both-way-DID card (KX-T96182D) is installed in the system.
(3) EQU Access
Not available.
(4) OCC Access
Not available.
(5) Outgoing CO Back Tone
On outgoing CO calls, dialed number is toned out, which informs the
extension users that dialed number has been dialed.
CO Dialing Tone is usually toned out by default setting, select "N" to turn off
the CO dialing tone.
(6) L-COT Busy Out Looprelay
When CO line is busied out either manually by the operator or automatically
by the system, the state of Loop Relay is controlled by this setting.
(7) G-COT Busy Out Looprelay
Not available.
(8) Pay Tone Frequency
Used to select the appropriate pay tone frequency depending on the local
CO.
(9) Pay Tone Gain
Used to select the appropriate pay tone gain depending on the local CO.
Input Format
Mode
W S 2
Index Number
None
Item Number CR
11-C-74